Mouthguard



FIG. 1 is a top view of a mouthguard showing my new design.

FIG. 2 is a bottom view of the mouthguard of FIG. 1.

FIG. 3 is a front view of the mouthguard of FIG. 1.

FIG. 4 is a rear view of the mouthguard of FIG. 1.

FIG. 5 is a left side view of the mouthguard of FIG. 1.

FIG. 6 is a right side view of the mouthguard of FIG. 1.

FIG. 7 is an isometric view of the mouthguard of FIG. 1; and,

FIG. 8 is another isometric view of the mouthguard of FIG. 1.

The broken and dash-dot-dash boundary lines shown illustrate portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for a mouthguard, as shown and described. 